Levoit’s Core 300S has long been one of Amazon’s best-selling purifiers, and its AHAM-verified numbers are strong for the money. The catch is a confusing lineup of S, P and S-P models.
For a small bedroom, buy the Levoit Core 300S-P. For a 400 to 600 sq ft living room, the Levoit Core 600S-P is the value pick that RTINGS and HouseFresh both like in its 600S form. For smells and smart features, the Levoit EverestAir-P. HouseFresh’s favorite, the Vital 200S, isn’t in our product data, so we link to search.
| If you need | Start with | Why |
|---|---|---|
| Small bedroom | Levoit Core 300S-P | 141 cfm verified |
| Big living room | Levoit Core 600S-P | 391 cfm verified |
| Smells, smart features | Levoit EverestAir-P | Pelleted carbon; app scenes |
| Medium room | Levoit Vital 200S | HouseFresh’s favorite; search link only |
The -P versions are the ones Amazon sells now, each AHAM Verifide on its listing. The independent reviews we cite tested earlier versions, so each card says which version a test covered.
Example: RTINGS and HouseFresh tested the Core 600S; the 600S-P listing shows 391 cfm verified.In 2023, after Dyson questioned whether some Levoit filters met HEPA standards, Levoit removed HEPA wording from its Core and EverestAir marketing. It now quotes 99.97% efficiency for 0.1 to 0.3 micron particles instead.
What to judge: the AHAM-verified CADR on each -P listing measures real cleaning speed.Mostly. Smart Air found the Core 300S auto mode didn’t always respond the way you’d expect. If auto seems lazy on any model, set a fixed speed; the app makes that easy.
PM1 to PM10: the EverestAir-P’s 3-channel laser sensor reads three particle sizes.These come from brand searches on Bing and from what reviewers measured. We summarize; we don’t run our own lab.
| Model | Smoke CADR | Room at 4.8 air changes | Best for |
|---|---|---|---|
| Levoit Core 300S-P | 141 cfm (AHAM) | About 219 sq ft | Small rooms |
| Levoit Vital 100S-P | About 143 cfm | 222 sq ft (AHAM) | Pets in a bedroom |
| Levoit Vital 200S | Not in our data | 373 sq ft at 5 changes (HouseFresh) | Medium rooms |
| Levoit EverestAir-P | 354 cfm | About 549 sq ft | Smells, smart features |
| Levoit Core 600S-P | 391 cfm | About 606 sq ft | Big rooms |
Cards marked “Not yet independently tested” rely on listing data only.
AHAM-verified at 141 cfm, with app and voice control and a lights-off sleep mode. Full write-up in our top 10.
you need a bedroom or office purifier for up to about 220 sq ft and want app control for little money.
the room is bigger than about 220 sq ft. Step up to the Winix 5510, or put two of these at opposite ends.
Sources: HouseFresh, Levoit Core 300 review; Smart Air, Levoit Core 300S review.
RTINGS’ upper mid-range pick and HouseFresh’s large-space Levoit in its 600S form; 391 cfm verified as the 600S-P. Full write-up in our top 10.
you need real power for a 400 to 600 sq ft room and want app control without paying ProX money.
the word HEPA on the box matters to you. Levoit stopped calling its Core series HEPA in 2023, after Dyson questioned some of its claims, and quotes a filtration percentage instead. The Coway ProX uses a HEPA filter.
Sources: RTINGS, The best air purifiers (February 2026 update); HouseFresh, The best Levoit air purifiers we have tested.
HouseFresh’s top Levoit, with a big load of pelleted carbon and a three-size particle sensor. Full write-up in our top 10.
pet, cooking or smoke smells are the main problem and you want app automation in a living room.
particles are your only concern. The Levoit Core 600S-P has more CADR for less money.
Sources: HouseFresh, Levoit EverestAir review; TechRadar, Levoit EverestAir review; RTINGS, Levoit EverestAir-P early access (September 2026).
Pet mode and a wide U-shaped intake, rated for 222 sq ft.
AHAM Verifide at 4.8 air changes an hour in 222 sq ft. It has a Pet mode, a wide U-shaped intake for floating fur, a light sensor that dims the display, and a 25 dB sleep mode.
you want a pet mode and a rinseable pre-filter in a bedroom-size room.
you can stretch to the bigger Vital 200S, HouseFresh’s favorite Levoit, or the Winix 5510.
Sources: Amazon listing data.
The bigger Vital, which HouseFresh recommends most often. Not in our product data, so the button opens search results.
HouseFresh’s best Levoit for most people in October 2026. In its test it cleaned the air five times an hour in rooms up to 373 sq ft. RTINGS had it as a mid-range pick until February 2026.
you want HouseFresh’s favorite Levoit in a medium room.
you want a Coway; RTINGS swapped it for the Coway 200M because the Coway performed better overall.
Sources: HouseFresh, The best Levoit air purifiers we have tested; RTINGS, The best air purifiers (February 2026 update).
The 300S adds the VeSync app and a laser particle sensor for auto mode. Both use the same filter size.
The 200S for a medium room; HouseFresh measured it cleaning rooms up to 373 sq ft five times an hour. The Levoit Vital 100S-P is rated for 222 sq ft.
Often. Compatible Core 300 filters list the Core 300, 300-P, 300S and 300S-P, and EverestAir filters fit both the EverestAir and EverestAir-P. Check your model label.
The Levoit Core 300S-P works with Alexa and Google Assistant through the VeSync app.
The models here don’t list ionizers, and Levoit’s Vital 200S-P filter listing states zero ozone emissions.
Between the 300S-P and the 600S-P. It isn’t in our product data, so we don’t rate it here.